Gudmar Lönnerholm

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Twenty 2- to 13-year-old infantile autistic children (16 boys and four girls) and four 4- to 13-year-old children (two boys and two girls) with other kinds of childhood psychoses were compared with eight 6-month-old to 6-year-old normal children with regard to cerebrospinal fluid contents of endorphin fractions I and II. The psychosis groups showed higher(More)
Although aberrant DNA methylation has been observed previously in acute lymphoblastic leukemia (ALL), the patterns of differential methylation have not been comprehensively determined in all subtypes of ALL on a genome-wide scale. The relationship between DNA methylation, cytogenetic background, drug resistance and relapse in ALL is poorly understood. We(More)
The distribution of carbonic anhydrase was studied in human donor eyes by the cobalt-phosphate histochemical method of Hansson and by immunofluorescence and immunoperoxidase techniques using antisera specific against the human cytoplasmic isoenzymes CA I and CA II. Corneal endothelium displayed specific immunological staining for CA I and CA II. Distinct(More)
To detect genes with CpG sites that display methylation patterns that are characteristic of acute lymphoblastic leukemia (ALL) cells, we compared the methylation patterns of cells taken at diagnosis from 20 patients with pediatric ALL to the methylation patterns in mononuclear cells from bone marrow of the same patients during remission and in non-leukemic(More)
We determined the genome-wide digital gene expression (DGE) profiles of primary acute lymphoblastic leukemia (ALL) cells from 21 patients taking advantage of 'second-generation' sequencing technology. Patients included in this study represent four cytogenetically distinct subtypes of B-cell precursor (BCP) ALL and T-cell lineage ALL (T-ALL). The robustness(More)
The distribution of carbonic anhydrase (CA) in the rabbit eye was studied by light and electron microscopy according to the histochemical method of Hansson. In the cornea, CA staining was found in the cytoplasm of the endothelium. The filtering tissue in the chamber angle did not stain. The pigmented epithelium of the iris and the non-pigmented epithelium(More)
Target enrichment and resequencing is a widely used approach for identification of cancer genes and genetic variants associated with diseases. Although cost effective compared to whole genome sequencing, analysis of many samples constitutes a significant cost, which could be reduced by pooling samples before capture. Another limitation to the number of(More)
The distribution of carbonic anhydrase (CA) in the eye of man and three species of monkeys was studied by light and electron microscopy using the histochemical method of Hansson. Carbonic anhydrase staining was found in the corneal endothelium. In monkeys the endothelial cells covering the inner surface of the operculum were also stained, whereas in the(More)
We present a method that utilizes DNA methylation profiling for prediction of the cytogenetic subtypes of acute lymphoblastic leukemia (ALL) cells from pediatric ALL patients. The primary aim of our study was to improve risk stratification of ALL patients into treatment groups using DNA methylation as a complement to current diagnostic methods. A secondary(More)
Genomic characterization of pediatric acute lymphoblastic leukemia (ALL) has identified distinct patterns of genes and pathways altered in patients with well-defined genetic aberrations. To extend the spectrum of known somatic variants in ALL, we performed whole genome and transcriptome sequencing of three B-cell precursor patients, of which one carried the(More)